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- ultraviolet absorption method 紫外线吸收法
- Evaluation of White Mineral Oils by Ultraviolet Absorption, Method for (05. 用紫外线吸收法评价白色矿物油的方法(05。
- The performance characteristics of the method were compared with spectrophotometric quantification based on ultraviolet absorption. 同时利用紫外分光光度计对样品进行平行测定，比较该方法与紫外分光光度法的检测限与准确度。
- The ultraviolet absorption edge of Sr 2TiSi 2O 8 is around 270nm. 反射光谱显示其紫外吸收边为 2 70nm左右。
- The largest ultraviolet absorption wavelength of CMF is 218nm. 桂醇甲酯的最大紫外吸收波长为218nm。
- METHODS By derivative flame atom absorption method. 方法:采用导数火焰原子吸收法。
- The suitable ultraviolet absorption band is selected via experiment. 通过实验研究选定检测紫外吸收波长。
- ultraviolet absorption methods 紫外线吸收法
- A method called "K-Ratio H-Point Standard Addition Method" was proposed for the simultaneous determination of nitrate and nitrite, based on their ultraviolet absorption spectrum in a neutral medium. 摘要研究了在近中性介质中，硝酸根与亚硝酸根的紫外吸收光谱，提出了引用“K比例H点标准加入法”同时测定了硝酸根、亚硝酸根含量的方法。
- In this paper,the mithod of determination of acetylacetone's content by ultraviolet absorption spectroscopy were introduced.This method is more,Simple and precise than the method of chemical aralysis. 本文论述了利用紫外吸光光度法测定乙酰丙酮的含量.;较化学分析法简便、快速、准确
- It can be confirmed from the UV absorbent spectrum that the product has certain ultraviolet absorption. 通过对改性产物的紫外光谱表征发现产物具有一定的吸收紫外线能力。
- The floc could be eliminated by freezing filtration, absorption method or redistillation method. (Tran. 低度白酒的絮状沉淀可采用冷冻过滤法、吸附法及再蒸馏法除去。
- The effects of acetochlor on respiration of soil microbe were studied by closed or direct absorption method. 采用密闭法测定乙草胺对土壤微生物呼吸的影响。
- Ultraviolet absorption spectrophotometry (UAS) was used to determine the potency of Agricultural Antibiotic 120 at different concentrations of its component A. 以农抗120的主要组份A的不同浓度单位对其紫外吸收值作曲线,显示浓度与吸收值之间有显著回归关系。
- An infrared absorption method for the determination of trace sulfur in nickel base superalloys was presented. 应用红外碳硫测定仪,对镍基高温合金中痕量硫的测定方法进行了研究。
- Its specific activity is estimated as 4 710 u/mg protein, the yield of activity being 23%, maxinum ultraviolet absorption spectrum 265. 4 nm and molecular weight 32 400 dalton. 酶的比活力为4710u/mg Pr;活力回收率23%25;紫外吸收峰在265.;4nm;分子量为32
- The properties of cured NPER were measured by TGA, DSC and water-boiling absorption method. 采用热分析法、差示扫描量热法和煮沸吸水法等对NPER固化物的性能进行了测试。
- It is mainly used as stabilizer for non-transparent PVC products, having excellent performance of electrical insulation, weather resistance and ultraviolet absorption. 主要用于聚氯乙烯不透明制品的稳定剂，其电绝缘性、耐候性及紫外线吸收性能良好。
- The discrimination of Marchantia polymorpha,Marchantia convoluta and Marchantia paleacea was succeeded by Ultraviolet Absorption Spectra Lines Group (UASLG). 本文建立了紫外谱线组法鉴别地钱、拳卷地钱和粗裂地钱的方法。
- A determination of trace manganese in drink water by flame atomic absorption method using iron lamp as light resource has been investigated. 探讨了以铁空心阴极灯作光源 ,火焰原子吸收法测定饮用水中微量锰。
